1. Heat your grill. Shape the ground beef into 4 equal patties and season with salt and pepper.

2. Make foil packets: Place onions on a large sheet of foil. Add 1 tablespoon of butter and sprinkle with salt and pepper. Fold up to make a tight packet. Do the same for the collard greens.

3. Cook hamburgers and foil packets on the grill. After flipping with hamburgers, baste with a light coating of BBQ sauce. Add a slice of cheese just before hamburgers are done. Cook foil packets until vegetables are tender, about 15 minutes.

4. Serve open-faced with cooked vegetables on top of burgers or on a toasted gluten-free bun.